Safety cutter utility knife



FIG. 1 is a perspective view of a safety cutter utility knife showing my new design, looking downwardly at the top and left side thereof;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line structure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a safety cutter utility knife, as shown and described. 